Eobeet breckinridge bakee and charles james adolphus diok



R. B. BAKER'& G. J. A. DICK. DEVICE FOR PREVENTING INORUSTATION IN STEAM GENERATORS.

No. 84,671. Patented Dec. 8, 1868.

23526935; Z21 wmr "5 h gem (time.

ROBERT BRECKINRIDGE BAKER AND CHARLES JAMESADO'LPHUS DICK, PARIS, FRANCE, ASSIGNORS TO THE AMERICAN ANTI-.INORUSTATION COMPANY.

Lettersi atent No. 84.671; dated December 8,1868.

mnovnmn' r m DEVICES renrnnvnfiimm 'mcmrs'm'nonm s'rnm-esum rons The Schedule referred to in these Letter: Patefit slit; making part of the sam To all whom it may concern. l

Be it known-that wc, ROBERT Bnnemnmen BA- KER, of Philadelphia, Pennsylrania, United States of America, but nowresiding at Paris, inthe Empire of France, and Cumulus Jmms ADOLPHUS D1(.K, of Otienbaoh, Grand Duchy of Hesse-Dar'mstadt, but

now residing at Paris, 1"mnce,"have invented certain Apparatus for the R-enloral and- Prevention of lncrustation in Steam-Boilers; and we do hereby declare the following'to be a t'ull,.clear, and exact description of the same.

Om invention consists of an impmvement, fully described hereafiteuin the devices for preventing i'ncrnstation inand removing it fl'Olll steain-lmilers, for which Letters Patent were granted tosAiLF. Porter, on the 31st da-yei' October, 1865, and other Letters Patent to George T. Parrys assigne'e, on the same date; and ourinventionconsists in the substitution of Carbonaceous matterfor the magnetic points desoribedin the said patents.

In vorder to enable others toma-ke and apply our invention, we will now proceed to' describe the manner of carrying it into eflect, reference being had to the accompanying drawing, which-firms a part of this specie fication, and in which- Figure 1 represents a s de view of the apparatus suspended within the boiler, and

Figure 2, an inverted 911m YltiW. A represents part the shell of the boiler, and a, the water-line.

From the shell s suspended astud, 1), to .\\'llicllis secnred'a block or mass, E, of carbon,'carebcing taken to insulate the carbon.- V

In order to efiect this insulation, 11 glass or earthenware tube may surroui1d the stud, where it passes through the carbon,-a1nl '1'-ed lead maybe added in suflicient quantities to insure perfect insulation. 7

Through a hole, near, ene end of the carbonblock, passes a stud, F, having a'col]ar,f, betu'm-nw'hich, and the carbon, intervenes a thinwasher otplatina, soldered to the collar, so as to insure thorough inctallie contact.

The stud F is iin-nished with a nut, G, by screwing which tight, the platina washer is caused to bear tight against the carbon.

One end of a wire, H, is screwed into a projection on thc stud 1:, the opposite end of the stud being screwed into an elbow, l, which is so secured to the shell A of "the boiler. its to in conlplete, nietallic loontaot therewith.

Although we have shown, in the drawing, the car- H in metallic cont-act with the shell of the boiler, it should be. understood that they are situated apart from of the boiler, onehcing near one end, and the other ncar the othcr end of tliesa'ine; hence. the wire H, which it isdesirablc toiuaikcns iirmas possible, may require one or more snpports, J, but these should be of such a' character that the wire is insulated from the shell of the boiler.

' The carbon or carbonaceous material E m'ay be-snch' as is used in the eons-tructionof electrical'battcries, for example, carbon from the inteiior 0t gas-retorts,or other carbonaceous matter havin similar electrical properties. I

Gross-grooves maybe out in the carbon block-near one end, so as to present anumbergof points, although the natural points of the mass will take np'as 'much electricity as needed;

.[t-will beseen that this invention is closely allied to that for which Letters Patent were granted to A.v Fj Porter, on the :31st day of October, 1865, and to which patents me owned by our assignees, the AmericanAnti Inei-ustation Company, of Philadelphia;

I In the instruments used by thisjconlpany, however, magnetic points are cinployeth'in place of which we .nor to the points or magnets, both as regards its perll1illlll0.\ ',R-lltl its cti'ect in removing and preventing incrustation.

\Ve claim as out-invention,- and desire to secure by Letters Patcntv 4 v V Aninsulated nnlsslorblock of carbonaceous matter, suspendedwithin a boiler, near one end of the same, but connected by a .w-i're to the shell of the boiler, near the opposite endpf the latter, all SL lbStdlltlllll V as set forth. v

.In testimony hereof, we have signed our names to this specification, in the presence of two subscribing jwitnesscs; p

ROBERT BRECKENRIDGE BAKER. CHARLES JAMES ADOLPHUS DICK. Witnesses:

J. Zus'r, DAVID T. S/FULLER.

hon situated in proximity to'the point-where the wire.

each other to an extent commensurate with the lcn gal-1 George T, Pan'ys assignee on the same day, both of,

have substituted the carbon, which we consider supe-. 

